Merge branch 'at91-fixes' of git://github.com/at91linux/linux-at91 into fixes

* 'at91-fixes' of git://github.com/at91linux/linux-at91:
  ARM: at91: dt: remove unit-address part for memory nodes
  ARM: at91: fix check of valid GPIO for SPI and USB
  USB: ehci-atmel: add needed of.h header file
  ARM: at91/NAND DT bindings: add comments
  ARM: at91/at91sam9x5.dtsi: fix NAND ale/cle in DT file
  USB: ohci-at91: trivial return code name change
  USB: ohci-at91: change maximum number of ports
  USB: ohci-at91: rework and fix initialization
  ARM: at91/dts: USB host vbus is active low
  ARM: at91/USB host: specify and handle properly vbus_pin_active_low
  USB: ohci-at91: fix vbus_pin_active_low handling
  ARM: at91/at91sam9x5: add clkdev entries for DMA controllers

16 files changed, 45 insertions, 22 deletions

diff --git a/arch/arm/boot/dts/at91sam9g20.dtsi b/arch/arm/boot/dts/at91sam9g20.dtsi
index 92f36627e7f8..799ad1889b51 100644
--- a/arch/arm/boot/dts/at91sam9g20.dtsi
+++ b/arch/arm/boot/dts/at91sam9g20.dtsi
@@ -35,7 +35,7 @@
                 };
         };
 
-        memory@20000000 {
+        memory {
                 reg = <0x20000000 0x08000000>;
         };
 
diff --git a/arch/arm/boot/dts/at91sam9g25ek.dts b/arch/arm/boot/dts/at91sam9g25ek.dts
index ac0dc0031dda..7829a4d0cb22 100644
--- a/arch/arm/boot/dts/at91sam9g25ek.dts
+++ b/arch/arm/boot/dts/at91sam9g25ek.dts
@@ -37,8 +37,8 @@
                 usb0: ohci@00600000 {
                         status = "okay";
                         num-ports = <2>;
-                        atmel,vbus-gpio = <&pioD 19 0
-                                           &pioD 20 0
+                        atmel,vbus-gpio = <&pioD 19 1
+                                           &pioD 20 1
                                           >;
                 };
 
diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi
index 3d0c32fb218f..9e6eb6ecea0e 100644
--- a/arch/arm/boot/dts/at91sam9g45.dtsi
+++ b/arch/arm/boot/dts/at91sam9g45.dtsi
@@ -36,7 +36,7 @@
                 };
         };
 
-        memory@70000000 {
+        memory {
                 reg = <0x70000000 0x10000000>;
         };
 
diff --git a/arch/arm/boot/dts/at91sam9m10g45ek.dts b/arch/arm/boot/dts/at91sam9m10g45ek.dts
index c4c8ae4123d5..a3633bd13111 100644
--- a/arch/arm/boot/dts/at91sam9m10g45ek.dts
+++ b/arch/arm/boot/dts/at91sam9m10g45ek.dts
@@ -17,7 +17,7 @@
                 bootargs = "mem=64M console=ttyS0,115200 root=/dev/mtdblock1 rw rootfstype=jffs2";
         };
 
-        memory@70000000 {
+        memory {
                 reg = <0x70000000 0x4000000>;
         };
 
@@ -73,8 +73,8 @@
                 usb0: ohci@00700000 {
                         status = "okay";
                         num-ports = <2>;
-                        atmel,vbus-gpio = <&pioD 1 0
-                                           &pioD 3 0>;
+                        atmel,vbus-gpio = <&pioD 1 1
+                                           &pioD 3 1>;
                 };
 
                 usb1: ehci@00800000 {
diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi
index c111001f254e..70ab3a4e026f 100644
--- a/arch/arm/boot/dts/at91sam9x5.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5.dtsi
@@ -34,7 +34,7 @@
                 };
         };
 
-        memory@20000000 {
+        memory {
                 reg = <0x20000000 0x10000000>;
         };
 
@@ -201,8 +201,8 @@
                               >;
                         atmel,nand-addr-offset = <21>;
                         atmel,nand-cmd-offset = <22>;
-                        gpios = <&pioC 8 0
-                                 &pioC 14 0
+                        gpios = <&pioD 5 0
+                                 &pioD 4 0
                                  0
                                 >;
                         status = "disabled";
diff --git a/arch/arm/boot/dts/at91sam9x5cm.dtsi b/arch/arm/boot/dts/at91sam9x5cm.dtsi
index 67936f83c694..31e7be23703d 100644
--- a/arch/arm/boot/dts/at91sam9x5cm.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5cm.dtsi
@@ -8,7 +8,7 @@
  */
 
 / {
-        memory@20000000 {
+        memory {
                 reg = <0x20000000 0x8000000>;
         };
 
diff --git a/arch/arm/boot/dts/usb_a9g20.dts b/arch/arm/boot/dts/usb_a9g20.dts
index 3b3c4e0fa79f..7c2399c532e5 100644
--- a/arch/arm/boot/dts/usb_a9g20.dts
+++ b/arch/arm/boot/dts/usb_a9g20.dts
@@ -16,7 +16,7 @@
                 bootargs = "mem=64M console=ttyS0,115200 root=/dev/mtdblock5 rw rootfstype=ubifs";
         };
 
-        memory@20000000 {
+        memory {
                 reg = <0x20000000 0x4000000>;
         };
 
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c
index 7e5651ee9f85..5652dde4bbe2 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -598,6 +598,9 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
                 else
                         cs_pin = spi1_standard_cs[devices[i].chip_select];
 
+                if (!gpio_is_valid(cs_pin))
+                        continue;
+
                 if (devices[i].bus_num == 0)
                         enable_spi0 = 1;
                 else
diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c
index 096da87dc00d..4db961a93085 100644
--- a/arch/arm/mach-at91/at91sam9261_devices.c
+++ b/arch/arm/mach-at91/at91sam9261_devices.c
@@ -415,6 +415,9 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
                 else
                         cs_pin = spi1_standard_cs[devices[i].chip_select];
 
+                if (!gpio_is_valid(cs_pin))
+                        continue;
+
                 if (devices[i].bus_num == 0)
                         enable_spi0 = 1;
                 else
diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c
index 53688c46f956..fe99206de880 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -72,7 +72,8 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data)
         /* Enable VBus control for UHP ports */
         for (i = 0; i < data->ports; i++) {
                 if (gpio_is_valid(data->vbus_pin[i]))
-                        at91_set_gpio_output(data->vbus_pin[i], 0);
+                        at91_set_gpio_output(data->vbus_pin[i],
+                                             data->vbus_pin_active_low[i]);
         }
 
         /* Enable overcurrent notification */
@@ -671,6 +672,9 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
                 else
                         cs_pin = spi1_standard_cs[devices[i].chip_select];
 
+                if (!gpio_is_valid(cs_pin))
+                        continue;
+
                 if (devices[i].bus_num == 0)
                         enable_spi0 = 1;
                 else
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c
index 698479f1e197..6b008aee1dff 100644
--- a/arch/arm/mach-at91/at91sam9g45_devices.c
+++ b/arch/arm/mach-at91/at91sam9g45_devices.c
@@ -127,12 +127,13 @@ void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data)
         /* Enable VBus control for UHP ports */
         for (i = 0; i < data->ports; i++) {
                 if (gpio_is_valid(data->vbus_pin[i]))
-                        at91_set_gpio_output(data->vbus_pin[i], 0);
+                        at91_set_gpio_output(data->vbus_pin[i],
+                                             data->vbus_pin_active_low[i]);
         }
 
         /* Enable overcurrent notification */
         for (i = 0; i < data->ports; i++) {
-                if (data->overcurrent_pin[i])
+                if (gpio_is_valid(data->overcurrent_pin[i]))
                         at91_set_gpio_input(data->overcurrent_pin[i], 1);
         }
 
@@ -188,7 +189,8 @@ void __init at91_add_device_usbh_ehci(struct at91_usbh_data *data)
         /* Enable VBus control for UHP ports */
         for (i = 0; i < data->ports; i++) {
                 if (gpio_is_valid(data->vbus_pin[i]))
-                        at91_set_gpio_output(data->vbus_pin[i], 0);
+                        at91_set_gpio_output(data->vbus_pin[i],
+                                             data->vbus_pin_active_low[i]);
         }
 
         usbh_ehci_data = *data;
@@ -785,6 +787,9 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
                 else
                         cs_pin = spi1_standard_cs[devices[i].chip_select];
 
+                if (!gpio_is_valid(cs_pin))
+                        continue;
+
                 if (devices[i].bus_num == 0)
                         enable_spi0 = 1;
                 else
diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c
index eda72e83037d..fe4ae22e8561 100644
--- a/arch/arm/mach-at91/at91sam9rl_devices.c
+++ b/arch/arm/mach-at91/at91sam9rl_devices.c
@@ -419,6 +419,9 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
                 else
                         cs_pin = spi_standard_cs[devices[i].chip_select];
 
+                if (!gpio_is_valid(cs_pin))
+                        continue;
+
                 /* enable chip-select pin */
                 at91_set_gpio_output(cs_pin, 1);
 
diff --git a/arch/arm/mach-at91/at91sam9x5.c b/arch/arm/mach-at91/at91sam9x5.c
index b6831eeb7b76..13c8cae60462 100644
--- a/arch/arm/mach-at91/at91sam9x5.c
+++ b/arch/arm/mach-at91/at91sam9x5.c
@@ -223,6 +223,8 @@ static struct clk_lookup periph_clocks_lookups[] = {
         CLKDEV_CON_DEV_ID("usart", "f8028000.serial", &usart3_clk),
         CLKDEV_CON_DEV_ID("t0_clk", "f8008000.timer", &tcb0_clk),
         CLKDEV_CON_DEV_ID("t0_clk", "f800c000.timer", &tcb0_clk),
+        CLKDEV_CON_DEV_ID("dma_clk", "ffffec00.dma-controller", &dma0_clk),
+        CLKDEV_CON_DEV_ID("dma_clk", "ffffee00.dma-controller", &dma1_clk),
         CLKDEV_CON_ID("pioA", &pioAB_clk),
         CLKDEV_CON_ID("pioB", &pioAB_clk),
         CLKDEV_CON_ID("pioC", &pioCD_clk),
diff --git a/arch/arm/mach-at91/board-sam9263ek.c b/arch/arm/mach-at91/board-sam9263ek.c
index 66f0ddf4b2ae..2ffe50f3a9e9 100644
--- a/arch/arm/mach-at91/board-sam9263ek.c
+++ b/arch/arm/mach-at91/board-sam9263ek.c
@@ -74,6 +74,7 @@ static void __init ek_init_early(void)
 static struct at91_usbh_data __initdata ek_usbh_data = {
         .ports          = 2,
         .vbus_pin       = { AT91_PIN_PA24, AT91_PIN_PA21 },
+        .vbus_pin_active_low = {1, 1},
         .overcurrent_pin= {-EINVAL, -EINVAL},
 };
 
diff --git a/arch/arm/mach-at91/board-sam9m10g45ek.c b/arch/arm/mach-at91/board-sam9m10g45ek.c
index e1bea73e6b30..c88e908ddd82 100644
--- a/arch/arm/mach-at91/board-sam9m10g45ek.c
+++ b/arch/arm/mach-at91/board-sam9m10g45ek.c
@@ -71,6 +71,7 @@ static void __init ek_init_early(void)
 static struct at91_usbh_data __initdata ek_usbh_hs_data = {
         .ports          = 2,
         .vbus_pin       = {AT91_PIN_PD1, AT91_PIN_PD3},
+        .vbus_pin_active_low = {1, 1},
         .overcurrent_pin= {-EINVAL, -EINVAL},
 };
 
diff --git a/arch/arm/mach-at91/include/mach/board.h b/arch/arm/mach-at91/include/mach/board.h
index 544a5d5ce416..49a821192c65 100644
--- a/arch/arm/mach-at91/include/mach/board.h
+++ b/arch/arm/mach-at91/include/mach/board.h
@@ -86,14 +86,15 @@ extern void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *d
 extern void __init at91_add_device_eth(struct macb_platform_data *data);
 
  /* USB Host */
+#define AT91_MAX_USBH_PORTS     3
 struct at91_usbh_data {
-        u8              ports;          /* number of ports on root hub */
-        int             vbus_pin[2];    /* port power-control pin */
-        u8              vbus_pin_active_low[2];
+        int             vbus_pin[AT91_MAX_USBH_PORTS];  /* port power-control pin */
+        int             overcurrent_pin[AT91_MAX_USBH_PORTS];
+        u8              ports;                          /* number of ports on root hub */
         u8              overcurrent_supported;
-        int             overcurrent_pin[2];
-        u8              overcurrent_status[2];
-        u8              overcurrent_changed[2];
+        u8              vbus_pin_active_low[AT91_MAX_USBH_PORTS];
+        u8              overcurrent_status[AT91_MAX_USBH_PORTS];
+        u8              overcurrent_changed[AT91_MAX_USBH_PORTS];
 };
 extern void __init at91_add_device_usbh(struct at91_usbh_data *data);
 extern void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data);